Corrects mistake.

License: MIT
Signed-off-by: Mateja Milosevic <minima38123@gmail.com>

commands/http/parse.go

@@ -122,15 +122,15 @@ func Parse(r *http.Request, root *cmds.Command) (cmds.Request, error) {
 		}
 	}
 
-	if f.FullPath() == "" {
-		return nil, fmt.Errorf("Corrupted data passed as file argument")
-	}
-
 	// if there is a required filearg, error if no files were provided
 	if len(requiredFile) > 0 && f == nil {
 		return nil, fmt.Errorf("File argument '%s' is required", requiredFile)
 	}
 
+	if f != nil && f.FullPath() == "" {
+		return nil, fmt.Errorf("Corrupted data passed as file argument")
+	}
+
 	req, err := cmds.NewRequest(pth, opts, args, f, cmd, optDefs)
 	if err != nil {
 		return nil, err